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//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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package org.apache.doris.nereids.trees.plans.algebra;

import org.apache.doris.nereids.NereidsPlanner;
import org.apache.doris.nereids.trees.plans.physical.PhysicalPlan;
import org.apache.doris.nereids.trees.plans.physical.PhysicalSqlCache;
import org.apache.doris.qe.cache.CacheAnalyzer;

/** SqlCache */
public interface SqlCache {
    /** computeChild */
    static <P extends PhysicalPlan> P computeChild(CacheAnalyzer cacheAnalyzer) {
        NereidsPlanner nereidsPlanner = (NereidsPlanner) cacheAnalyzer.getPlanner();
        PhysicalPlan physicalPlan = nereidsPlanner.getPhysicalPlan();
        while (physicalPlan instanceof PhysicalSqlCache) {
            physicalPlan = (PhysicalPlan) physicalPlan.child(0);
        }
        return (P) physicalPlan;
    }
}
